- If the SQL Server startup account is a local system account, the appropriate container is the computer name.
- If it is any other account, the appropriate container is the SQL Server startup account.
Because authentication tries to use the first SPN it finds, make sure that no SPNs are assigned to inappropriate containers. Usually this error occurs when the administrator does not remove a manually added SPN from the Active Directory container after changing the SQL Server service account.
For help troubleshooting this problem, read the following article: